{"transactions":[{"id":1173943,"issuer":{"id":3775,"kind":"organization","name":"Klaviyo, Inc.","symbol":"KVYO"},"owners":[{"id":80885,"kind":"person","name":"Fagnan Jeff","position":1,"cik":"0001452366","reported_name":"Fagnan Jeff","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series A Common Stock","published_at":"2025-04-10T16:30:15.000Z","date":"2025-04-09","kind":"purchase","planned":false,"acquired":true,"shares":3900,"price":25.77,"value":100503.0,"ownership":{"direct":false,"nature":"By Leno2, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $25.52 to $25.62, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares held by Leno2, LLC, an entity controlled by the Reporting Person. The Reporting Person disclaims beneficial ownership of the shares reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (\"Section 16\"), except to the extent of his pecuniary interest therein, if any, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of any of the reported shares for purposes of Section 16 or any other purpose."}],"balance_after":3900,"source":{"system":"sec-edgar","filing":"0001104659-25-033779","document":"tm2512058-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1452366/000110465925033779/tm2512058-1_4seq1.xml","form_type":"4"}},{"id":1365052,"issuer":{"id":3775,"kind":"organization","name":"Klaviyo, Inc.","symbol":"KVYO"},"owners":[{"id":80885,"kind":"person","name":"Fagnan Jeff","position":1,"cik":"0001452366","reported_name":"Fagnan Jeff","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series A Common Stock","published_at":"2024-11-14T16:00:14.000Z","date":"2024-08-12","kind":"other","planned":false,"acquired":true,"shares":1.887,"price":31.7965,"value":59.9999955,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Shares held by an immediate family member. The Reporting Person disclaims beneficial ownership of the shares reported herein for purposes of Section 16, except to the extent of his pecuniary interest therein, if any, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of any of the reported shares for purposes of Section 16 or any other purpose."}],"balance_after":44.036,"source":{"system":"sec-edgar","filing":"0001104659-24-118852","document":"tm2428505-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1452366/000110465924118852/tm2428505-1_4seq1.xml","form_type":"4"}},{"id":1365051,"issuer":{"id":3775,"kind":"organization","name":"Klaviyo, Inc.","symbol":"KVYO"},"owners":[{"id":80885,"kind":"person","name":"Fagnan Jeff","position":1,"cik":"0001452366","reported_name":"Fagnan Jeff","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series A Common Stock","published_at":"2024-11-14T16:00:14.000Z","date":"2024-08-09","kind":"other","planned":false,"acquired":true,"shares":5.002,"price":29.988,"value":149.999976,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Shares held by an immediate family member. The Reporting Person disclaims beneficial ownership of the shares reported herein for purposes of Section 16, except to the extent of his pecuniary interest therein, if any, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of any of the reported shares for purposes of Section 16 or any other purpose."}],"balance_after":42.149,"source":{"system":"sec-edgar","filing":"0001104659-24-118852","document":"tm2428505-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1452366/000110465924118852/tm2428505-1_4seq1.xml","form_type":"4"}},{"id":1365050,"issuer":{"id":3775,"kind":"organization","name":"Klaviyo, Inc.","symbol":"KVYO"},"owners":[{"id":80885,"kind":"person","name":"Fagnan Jeff","position":1,"cik":"0001452366","reported_name":"Fagnan Jeff","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series A Common Stock","published_at":"2024-11-14T16:00:14.000Z","date":"2024-11-13","kind":"purchase","planned":false,"acquired":true,"shares":13515,"price":37.1381,"value":501921.4215,"ownership":{"direct":false,"nature":"By Tailwater Investments, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $37.0650 to $37.2000, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares held by Tailwater Investments, LLC, an entity wholly owned by the Reporting Person. The Reporting Person disclaims beneficial ownership of the shares reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (\"Section 16\"), except to the extent of his pecuniary interest therein, if any, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of any of the reported shares for purposes of Section 16 or any other purpose."}],"balance_after":23000,"source":{"system":"sec-edgar","filing":"0001104659-24-118852","document":"tm2428505-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1452366/000110465924118852/tm2428505-1_4seq1.xml","form_type":"4"}},{"id":1413820,"issuer":{"id":3775,"kind":"organization","name":"Klaviyo, Inc.","symbol":"KVYO"},"owners":[{"id":80885,"kind":"person","name":"Fagnan Jeff","position":1,"cik":"0001452366","reported_name":"Fagnan Jeff","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series A Common Stock","published_at":"2024-09-05T18:44:06.000Z","date":"2024-08-01","kind":"purchase","planned":false,"acquired":true,"shares":9485,"price":26.4336,"value":250722.696,"ownership":{"direct":false,"nature":"By Tailwater Investors, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $26.3350 to $26.4399, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Shares held by Tailwater Investors, LLC, an entity wholly owned by the Reporting Person. The Reporting Person disclaims beneficial ownership of the shares reported herein for purposes of Section 16, except to the extent of his pecuniary interest therein, if any, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of any of the reported shares for purposes of Section 16 or any other purpose."}],"balance_after":9485,"source":{"system":"sec-edgar","filing":"0001104659-24-097459","document":"tm2423481-1_4aseq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1452366/000110465924097459/tm2423481-1_4aseq1.xml","form_type":"4/A","original_submission_date":"2024-08-02"}},{"id":1413819,"issuer":{"id":3775,"kind":"organization","name":"Klaviyo, Inc.","symbol":"KVYO"},"owners":[{"id":80885,"kind":"person","name":"Fagnan Jeff","position":1,"cik":"0001452366","reported_name":"Fagnan Jeff","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series A Common Stock","published_at":"2024-09-05T18:44:06.000Z","date":"2024-07-16","kind":"other","planned":false,"acquired":true,"shares":7.976,"price":25.0752,"value":199.9997952,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Shares held by an immediate family member. The Reporting Person disclaims beneficial ownership of the shares reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (\"Section 16\"), except to the extent of his pecuniary interest therein, if any, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of any of the reported shares for purposes of Section 16 or any other purpose."}],"balance_after":37.147,"source":{"system":"sec-edgar","filing":"0001104659-24-097459","document":"tm2423481-1_4aseq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1452366/000110465924097459/tm2423481-1_4aseq1.xml","form_type":"4/A","original_submission_date":"2024-08-02"}},{"id":1413818,"issuer":{"id":3775,"kind":"organization","name":"Klaviyo, Inc.","symbol":"KVYO"},"owners":[{"id":80885,"kind":"person","name":"Fagnan Jeff","position":1,"cik":"0001452366","reported_name":"Fagnan Jeff","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series A Common Stock","published_at":"2024-09-05T18:44:06.000Z","date":"2024-07-01","kind":"other","planned":false,"acquired":true,"shares":8.021,"price":24.8099,"value":199.0002079,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Shares held by an immediate family member. The Reporting Person disclaims beneficial ownership of the shares reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (\"Section 16\"), except to the extent of his pecuniary interest therein, if any, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of any of the reported shares for purposes of Section 16 or any other purpose."}],"balance_after":29.171,"source":{"system":"sec-edgar","filing":"0001104659-24-097459","document":"tm2423481-1_4aseq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1452366/000110465924097459/tm2423481-1_4aseq1.xml","form_type":"4/A","original_submission_date":"2024-08-02"}},{"id":1413817,"issuer":{"id":3775,"kind":"organization","name":"Klaviyo, Inc.","symbol":"KVYO"},"owners":[{"id":80885,"kind":"person","name":"Fagnan Jeff","position":1,"cik":"0001452366","reported_name":"Fagnan Jeff","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series A Common Stock","published_at":"2024-09-05T18:44:06.000Z","date":"2024-06-17","kind":"other","planned":false,"acquired":true,"shares":21.15,"price":22.5059,"value":475.999785,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Shares held by an immediate family member. The Reporting Person disclaims beneficial ownership of the shares reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (\"Section 16\"), except to the extent of his pecuniary interest therein, if any, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of any of the reported shares for purposes of Section 16 or any other purpose."}],"balance_after":21.15,"source":{"system":"sec-edgar","filing":"0001104659-24-097459","document":"tm2423481-1_4aseq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1452366/000110465924097459/tm2423481-1_4aseq1.xml","form_type":"4/A","original_submission_date":"2024-08-02"}},{"id":1442799,"issuer":{"id":3775,"kind":"organization","name":"Klaviyo, Inc.","symbol":"KVYO"},"owners":[{"id":80885,"kind":"person","name":"Fagnan Jeff","position":1,"cik":"0001452366","reported_name":"Fagnan Jeff","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series A Common Stock","published_at":"2024-08-02T10:32:16.000Z","date":"2024-08-01","kind":"purchase","planned":false,"acquired":true,"shares":9485,"price":26.4336,"value":250722.696,"ownership":{"direct":false,"nature":"By Tailwater Investments, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $26.3350 to $26.4399, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares held by Tailwater Investments, LLC, an entity wholly owned by the Reporting Person. The Reporting Person disclaims beneficial ownership of the shares reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (\"Section 16\"), except to the extent of his pecuniary interest therein, if any, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of any of the reported shares for purposes of Section 16 or any other purpose."}],"balance_after":9485,"source":{"system":"sec-edgar","filing":"0001104659-24-085195","document":"tm2420734-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1452366/000110465924085195/tm2420734-1_4seq1.xml","form_type":"4"}},{"id":1756296,"issuer":{"id":3775,"kind":"organization","name":"Klaviyo, Inc.","symbol":"KVYO"},"owners":[{"id":108815,"kind":"organization","name":"Accomplice Fund I, L.P.","position":1,"cik":"0001636118","reported_name":"Accomplice Fund I, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":108816,"kind":"organization","name":"Accomplices Associates I, LLC","position":2,"cik":"0001898737","reported_name":"Accomplices Associates I, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":80885,"kind":"person","name":"Fagnan Jeff","position":3,"cik":"0001452366","reported_name":"Fagnan Jeff","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":25881,"kind":"person","name":"Moore Ryan R","position":4,"cik":"0001810239","reported_name":"Moore Ryan R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series A Common Stock","published_at":"2023-10-23T16:15:42.000Z","date":"2023-10-23","kind":"sale","planned":false,"acquired":false,"shares":637049,"price":28.3218,"value":18042374.3682,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares were sold pursuant to the underwriters' partial exercise of their over-allotment option in connection with the initial public offering of the Issuer's Series A Common Stock at a net price per share of $28.3218, after underwriting discounts and commissions. Accomplice Fund I, L.P. was a selling stockholder in the initial public offering."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Shares held by Accomplice Fund I, L.P. Accomplice Associates I, LLC is the general partner of Accomplice Fund I, L.P. Jeff Fagnan and Ryan Moore are Class A Members of Accomplice Associates I, LLC. Each Reporting Person disclaims beneficial ownership of the shares reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (\"Section 16\"), except to the extent of his or its pecuniary interest therein, if any, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of any of the reported shares for purposes of Section 16 or any other purpose."}],"balance_after":26720,"source":{"system":"sec-edgar","filing":"0001628280-23-034904","document":"wk-form4_1698092132.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1898737/000162828023034904/wk-form4_1698092132.xml","form_type":"4"}},{"id":1774846,"issuer":{"id":3775,"kind":"organization","name":"Klaviyo, Inc.","symbol":"KVYO"},"owners":[{"id":108815,"kind":"organization","name":"Accomplice Fund I, L.P.","position":1,"cik":"0001636118","reported_name":"Accomplice Fund I, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":108816,"kind":"organization","name":"Accomplices Associates I, LLC","position":2,"cik":"0001898737","reported_name":"Accomplices Associates I, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":80885,"kind":"person","name":"Fagnan Jeff","position":3,"cik":"0001452366","reported_name":"Fagnan Jeff","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":25881,"kind":"person","name":"Moore Ryan R","position":4,"cik":"0001810239","reported_name":"Moore Ryan R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series A Common Stock","published_at":"2023-09-22T16:06:15.000Z","date":"2023-09-22","kind":"sale","planned":false,"acquired":false,"shares":1770049,"price":28.3218,"value":50130973.7682,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares were sold in connection with the initial public offering of the Issuer's Series A Common Stock at a net price per share of $28.3218, after underwriting discounts and commissions. Accomplice Fund I, L.P. was a selling stockholder in the initial public offering."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Shares held by Accomplice Fund I, L.P. Accomplice Associates I, LLC is the general partner of Accomplice Fund I, L.P. Jeff Fagnan and Ryan Moore are Class A Members of Accomplice Associates I, LLC. Each Reporting Person disclaims beneficial ownership of the shares reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (\"Section 16\"), except to the extent of his or its pecuniary interest therein, if any, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of any of the reported shares for purposes of Section 16 or any other purpose."}],"balance_after":663769,"source":{"system":"sec-edgar","filing":"0001628280-23-032844","document":"wk-form4_1695413154.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1898737/000162828023032844/wk-form4_1695413154.xml","form_type":"4"}},{"id":3395974,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":80885,"kind":"person","name":"Fagnan Jeff","position":1,"cik":"0001452366","reported_name":"Fagnan Jeff","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-10-08T20:44:26.000Z","date":"2019-10-08","kind":"disposition_to_issuer","acquired":false,"shares":174500,"ownership":{"direct":false,"nature":"By Accomplice CB Investors, LLC"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger (the \"Merger Agreement\"), dated as of August 22, 2019, by and among Carbon Black, Inc. (the \"Company\"), VMWare, Inc., (\"Parent\"), and Calistoga Merger Corp. (\"Merger Sub\"), pursuant to which the Company became a direct wholly owned subsidiary of Parent (the \"Merger\") on October 8, 2019 (the \"Effective Time\"). At the Effective Time, all of the issued and outstanding shares of the Company's common stock, par value $0.001 per share (the \"Shares\") were cancelled and converted into a right to receive $26.00 in cash (the \"Merger Consideration\") without interest and subject to applicable withholding taxes."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger (the \"Merger Agreement\"), dated as of August 22, 2019, by and among Carbon Black, Inc. (the \"Company\"), VMWare, Inc., (\"Parent\"), and Calistoga Merger Corp. (\"Merger Sub\"), pursuant to which the Company became a direct wholly owned subsidiary of Parent (the \"Merger\") on October 8, 2019 (the \"Effective Time\"). At the Effective Time, all of the issued and outstanding shares of the Company's common stock, par value $0.001 per share (the \"Shares\") were cancelled and converted into a right to receive $26.00 in cash (the \"Merger Consideration\") without interest and subject to applicable withholding taxes."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F9","text":"The shares are held directly by Accomplice CB Investors, LLC (\"ACBI\"). Mr. Fagnan is a member of ACBI. Mr. Fagnan disclaims Section 16 beneficial ownership of all shares except to the extent of his pecuniary interest, if any, therein. This report shall not be deemed to be an admission that Mr. Fagnan is the beneficial owner of such securities for purposes of Section 16 or for any other purpose."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001104659-19-053457","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1452366/000110465919053457/a4.xml","form_type":"4"}},{"id":3395973,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":80885,"kind":"person","name":"Fagnan Jeff","position":1,"cik":"0001452366","reported_name":"Fagnan Jeff","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-10-08T20:44:26.000Z","date":"2019-10-08","kind":"disposition_to_issuer","acquired":false,"shares":21079,"ownership":{"direct":false,"nature":"By Accom B9F Investors, LLC"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger (the \"Merger Agreement\"), dated as of August 22, 2019, by and among Carbon Black, Inc. (the \"Company\"), VMWare, Inc., (\"Parent\"), and Calistoga Merger Corp. (\"Merger Sub\"), pursuant to which the Company became a direct wholly owned subsidiary of Parent (the \"Merger\") on October 8, 2019 (the \"Effective Time\"). At the Effective Time, all of the issued and outstanding shares of the Company's common stock, par value $0.001 per share (the \"Shares\") were cancelled and converted into a right to receive $26.00 in cash (the \"Merger Consideration\") without interest and subject to applicable withholding taxes."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger (the \"Merger Agreement\"), dated as of August 22, 2019, by and among Carbon Black, Inc. (the \"Company\"), VMWare, Inc., (\"Parent\"), and Calistoga Merger Corp. (\"Merger Sub\"), pursuant to which the Company became a direct wholly owned subsidiary of Parent (the \"Merger\") on October 8, 2019 (the \"Effective Time\"). At the Effective Time, all of the issued and outstanding shares of the Company's common stock, par value $0.001 per share (the \"Shares\") were cancelled and converted into a right to receive $26.00 in cash (the \"Merger Consideration\") without interest and subject to applicable withholding taxes."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F8","text":"The shares are held directly by Accom B9F Investors, LLC (\"AB9F\"). Mr. Fagnan is a member of AB9F. Mr. Fagnan disclaims Section 16 beneficial ownership of all shares except to the extent of his pecuniary interest, if any, therein. This report shall not be deemed to be an admission that Mr. Fagnan is the beneficial owner of such securities for purposes of Section 16 or for any other purpose."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001104659-19-053457","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1452366/000110465919053457/a4.xml","form_type":"4"}},{"id":3395972,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":80885,"kind":"person","name":"Fagnan Jeff","position":1,"cik":"0001452366","reported_name":"Fagnan Jeff","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-10-08T20:44:26.000Z","date":"2019-10-08","kind":"disposition_to_issuer","acquired":false,"shares":181273,"ownership":{"direct":false,"nature":"By Atlas Venture Fund IX, L.P."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger (the \"Merger Agreement\"), dated as of August 22, 2019, by and among Carbon Black, Inc. (the \"Company\"), VMWare, Inc., (\"Parent\"), and Calistoga Merger Corp. (\"Merger Sub\"), pursuant to which the Company became a direct wholly owned subsidiary of Parent (the \"Merger\") on October 8, 2019 (the \"Effective Time\"). At the Effective Time, all of the issued and outstanding shares of the Company's common stock, par value $0.001 per share (the \"Shares\") were cancelled and converted into a right to receive $26.00 in cash (the \"Merger Consideration\") without interest and subject to applicable withholding taxes."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger (the \"Merger Agreement\"), dated as of August 22, 2019, by and among Carbon Black, Inc. (the \"Company\"), VMWare, Inc., (\"Parent\"), and Calistoga Merger Corp. (\"Merger Sub\"), pursuant to which the Company became a direct wholly owned subsidiary of Parent (the \"Merger\") on October 8, 2019 (the \"Effective Time\"). At the Effective Time, all of the issued and outstanding shares of the Company's common stock, par value $0.001 per share (the \"Shares\") were cancelled and converted into a right to receive $26.00 in cash (the \"Merger Consideration\") without interest and subject to applicable withholding taxes."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F7","text":"The shares are held directly by Atlas Venture Fund IX, L.P. (\"AVF IX\"). Atlas Venture Associates IX, L.P. (\"AVA IX LP\") is the general partner of AVF IX. Atlas Venture Associates IX, LLC (\"AVA IX LLC\") is the general partner of AVA IX LP. Mr. Fagnan is a member of AVA IX LP. Mr. Fagnan disclaims Section 16 beneficial ownership of all shares except to the extent of his pecuniary interest, if any, therein. This report shall not be deemed to be an admission that Mr. Fagnan is the beneficial owner of such securities for purposes of Section 16 or for any other purpose."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001104659-19-053457","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1452366/000110465919053457/a4.xml","form_type":"4"}},{"id":3395971,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":80885,"kind":"person","name":"Fagnan Jeff","position":1,"cik":"0001452366","reported_name":"Fagnan Jeff","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-10-08T20:44:26.000Z","date":"2019-10-08","kind":"disposition_to_issuer","acquired":false,"shares":171480,"ownership":{"direct":false,"nature":"By Atlas Venture Fund VI GmbH & Co. KG"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger (the \"Merger Agreement\"), dated as of August 22, 2019, by and among Carbon Black, Inc. (the \"Company\"), VMWare, Inc., (\"Parent\"), and Calistoga Merger Corp. (\"Merger Sub\"), pursuant to which the Company became a direct wholly owned subsidiary of Parent (the \"Merger\") on October 8, 2019 (the \"Effective Time\"). At the Effective Time, all of the issued and outstanding shares of the Company's common stock, par value $0.001 per share (the \"Shares\") were cancelled and converted into a right to receive $26.00 in cash (the \"Merger Consideration\") without interest and subject to applicable withholding taxes."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger (the \"Merger Agreement\"), dated as of August 22, 2019, by and among Carbon Black, Inc. (the \"Company\"), VMWare, Inc., (\"Parent\"), and Calistoga Merger Corp. (\"Merger Sub\"), pursuant to which the Company became a direct wholly owned subsidiary of Parent (the \"Merger\") on October 8, 2019 (the \"Effective Time\"). At the Effective Time, all of the issued and outstanding shares of the Company's common stock, par value $0.001 per share (the \"Shares\") were cancelled and converted into a right to receive $26.00 in cash (the \"Merger Consideration\") without interest and subject to applicable withholding taxes."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"The shares are held directly by Atlas Venture Fund VI GmbH & Co. KG (\"AVFG VI\"). AVA VI LP is the managing partner of AVFG VI. Mr. Fagnan disclaims Section 16 beneficial ownership of all shares except to the extent of his pecuniary interest, if any, therein. This report shall not be deemed to be an admission that Mr. Fagnan is the beneficial owner of such securities for purposes of Section 16 or for any other purpose."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001104659-19-053457","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1452366/000110465919053457/a4.xml","form_type":"4"}},{"id":3395970,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":80885,"kind":"person","name":"Fagnan Jeff","position":1,"cik":"0001452366","reported_name":"Fagnan Jeff","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-10-08T20:44:26.000Z","date":"2019-10-08","kind":"disposition_to_issuer","acquired":false,"shares":286392,"ownership":{"direct":false,"nature":"By Atlas Venture Entrepreneurs' Fund VI, L.P."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger (the \"Merger Agreement\"), dated as of August 22, 2019, by and among Carbon Black, Inc. (the \"Company\"), VMWare, Inc., (\"Parent\"), and Calistoga Merger Corp. (\"Merger Sub\"), pursuant to which the Company became a direct wholly owned subsidiary of Parent (the \"Merger\") on October 8, 2019 (the \"Effective Time\"). At the Effective Time, all of the issued and outstanding shares of the Company's common stock, par value $0.001 per share (the \"Shares\") were cancelled and converted into a right to receive $26.00 in cash (the \"Merger Consideration\") without interest and subject to applicable withholding taxes."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger (the \"Merger Agreement\"), dated as of August 22, 2019, by and among Carbon Black, Inc. (the \"Company\"), VMWare, Inc., (\"Parent\"), and Calistoga Merger Corp. (\"Merger Sub\"), pursuant to which the Company became a direct wholly owned subsidiary of Parent (the \"Merger\") on October 8, 2019 (the \"Effective Time\"). At the Effective Time, all of the issued and outstanding shares of the Company's common stock, par value $0.001 per share (the \"Shares\") were cancelled and converted into a right to receive $26.00 in cash (the \"Merger Consideration\") without interest and subject to applicable withholding taxes."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"The shares are held directly by Atlas Venture Entrepreneurs' Fund VI, L.P. (\"AVEF VI\"). AVA VI LP is the sole general partner of AVEF VI. Mr. Fagnan disclaims Section 16 beneficial ownership of all shares except to the extent of his pecuniary interest, if any, therein. This report shall not be deemed to be an admission that Mr. Fagnan is the beneficial owner of such securities for purposes of Section 16 or for any other purpose."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001104659-19-053457","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1452366/000110465919053457/a4.xml","form_type":"4"}},{"id":3395969,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":80885,"kind":"person","name":"Fagnan Jeff","position":1,"cik":"0001452366","reported_name":"Fagnan Jeff","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-10-08T20:44:26.000Z","date":"2019-10-08","kind":"disposition_to_issuer","acquired":false,"shares":9365231,"ownership":{"direct":false,"nature":"By Atlas Venture Fund VI, L.P."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger (the \"Merger Agreement\"), dated as of August 22, 2019, by and among Carbon Black, Inc. (the \"Company\"), VMWare, Inc., (\"Parent\"), and Calistoga Merger Corp. (\"Merger Sub\"), pursuant to which the Company became a direct wholly owned subsidiary of Parent (the \"Merger\") on October 8, 2019 (the \"Effective Time\"). At the Effective Time, all of the issued and outstanding shares of the Company's common stock, par value $0.001 per share (the \"Shares\") were cancelled and converted into a right to receive $26.00 in cash (the \"Merger Consideration\") without interest and subject to applicable withholding taxes."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger (the \"Merger Agreement\"), dated as of August 22, 2019, by and among Carbon Black, Inc. (the \"Company\"), VMWare, Inc., (\"Parent\"), and Calistoga Merger Corp. (\"Merger Sub\"), pursuant to which the Company became a direct wholly owned subsidiary of Parent (the \"Merger\") on October 8, 2019 (the \"Effective Time\"). At the Effective Time, all of the issued and outstanding shares of the Company's common stock, par value $0.001 per share (the \"Shares\") were cancelled and converted into a right to receive $26.00 in cash (the \"Merger Consideration\") without interest and subject to applicable withholding taxes."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"The shares are held directly by Atlas Venture Fund VI, L.P. (\"AVF VI\"). Atlas Venture Associates VI, L.P. (\"AVA VI LP\") is the sole general partner of AVF VI. Atlas Venture Associates VI, Inc. (\"AVA VI Inc.\") is the sole general partner of AVA VI LP. Mr. Fagnan is a director of AVA VI Inc. and is an investor in a limited partner of AVF VI. Mr. Fagnan disclaims Section 16 beneficial ownership of all shares except to the extent of his pecuniary interest, if any, therein. This report shall not be deemed to be an admission that Mr. Fagnan is the beneficial owner of such securities for purposes of Section 16 or for any other purpose."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001104659-19-053457","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1452366/000110465919053457/a4.xml","form_type":"4"}},{"id":3395968,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":80885,"kind":"person","name":"Fagnan Jeff","position":1,"cik":"0001452366","reported_name":"Fagnan Jeff","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-10-08T20:44:26.000Z","date":"2019-10-08","kind":"disposition_to_issuer","acquired":false,"shares":15382,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger (the \"Merger Agreement\"), dated as of August 22, 2019, by and among Carbon Black, Inc. (the \"Company\"), VMWare, Inc., (\"Parent\"), and Calistoga Merger Corp. (\"Merger Sub\"), pursuant to which the Company became a direct wholly owned subsidiary of Parent (the \"Merger\") on October 8, 2019 (the \"Effective Time\"). At the Effective Time, all of the issued and outstanding shares of the Company's common stock, par value $0.001 per share (the \"Shares\") were cancelled and converted into a right to receive $26.00 in cash (the \"Merger Consideration\") without interest and subject to applicable withholding taxes."},{"field":"shares","element":"transactionShares","label":"F2","text":"A portion of this amount consists of unvested restricted stock units (\"RSUs\"). Each unvested Company RSU held by a Continuing Employee (i.e., an employee of the Company or any of its subsidiaries who remains an employee of VMware or its subsidiaries or who does not accept an offer of employment from VMware but has not been affirmatively terminated) and remained outstanding immediately prior to the Effective Time was substituted with a RSU covering Parent Common Stock (a \"Parent RSU\"). The number of shares of Class A Common Stock of Parent (\"Parent Common Stock\") subject to a Parent RSU was determined by multiplying the number of Shares subject to the Company RSU immediately prior to the Effective Time by the Option Exchange Ratio (as defined in the Merger Agreement) and rounding down to the nearest whole share of Parent Common Stock."},{"field":"shares","element":"transactionShares","label":"F3","text":"Parent RSUs will continue to have, and be subject to, substantially the same material terms and conditions as were applicable to the Company RSUs as of immediately prior to the Effective Time. All Company RSUs not substituted as of the Effective Time were canceled at the Effective Time without payment of any consideration; provided, that any Company RSU that was vested, but not settled, as of the Effective Time was cancelled in exchange for payment to the holder of such Company RSU of an amount in cash equal to the Merger Consideration."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger (the \"Merger Agreement\"), dated as of August 22, 2019, by and among Carbon Black, Inc. (the \"Company\"), VMWare, Inc., (\"Parent\"), and Calistoga Merger Corp. (\"Merger Sub\"), pursuant to which the Company became a direct wholly owned subsidiary of Parent (the \"Merger\") on October 8, 2019 (the \"Effective Time\"). At the Effective Time, all of the issued and outstanding shares of the Company's common stock, par value $0.001 per share (the \"Shares\") were cancelled and converted into a right to receive $26.00 in cash (the \"Merger Consideration\") without interest and subject to applicable withholding taxes."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"A portion of this amount consists of unvested restricted stock units (\"RSUs\"). Each unvested Company RSU held by a Continuing Employee (i.e., an employee of the Company or any of its subsidiaries who remains an employee of VMware or its subsidiaries or who does not accept an offer of employment from VMware but has not been affirmatively terminated) and remained outstanding immediately prior to the Effective Time was substituted with a RSU covering Parent Common Stock (a \"Parent RSU\"). The number of shares of Class A Common Stock of Parent (\"Parent Common Stock\") subject to a Parent RSU was determined by multiplying the number of Shares subject to the Company RSU immediately prior to the Effective Time by the Option Exchange Ratio (as defined in the Merger Agreement) and rounding down to the nearest whole share of Parent Common Stock."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Parent RSUs will continue to have, and be subject to, substantially the same material terms and conditions as were applicable to the Company RSUs as of immediately prior to the Effective Time. All Company RSUs not substituted as of the Effective Time were canceled at the Effective Time without payment of any consideration; provided, that any Company RSU that was vested, but not settled, as of the Effective Time was cancelled in exchange for payment to the holder of such Company RSU of an amount in cash equal to the Merger Consideration."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001104659-19-053457","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1452366/000110465919053457/a4.xml","form_type":"4"}},{"id":3489495,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":80885,"kind":"person","name":"Fagnan Jeff","position":1,"cik":"0001452366","reported_name":"Fagnan Jeff","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-06-14T17:07:46.000Z","date":"2019-06-13","kind":"grant","acquired":true,"shares":9375,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares were acquired pursuant to a restricted stock unit award under the 2018 Stock Option and Incentive Plan. Each restricted stock unit represents a contingent right to receive one share of Carbon Black, Inc. common stock. The restricted stock units fully vest on June 12, 2020."}],"balance_after":15382,"source":{"system":"sec-edgar","filing":"0001179110-19-007726","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1452366/000117911019007726/edgar.xml","form_type":"4"}},{"id":3851885,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":80885,"kind":"person","name":"Fagnan Jeff","position":1,"cik":"0001452366","reported_name":"Fagnan Jeff","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-08-06T21:33:28.000Z","date":"2018-05-09","kind":"grant","acquired":true,"shares":6007,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares were acquired pursuant to a restricted stock unit award under the 2018 Stock Option and Incentive Plan. Each restricted stock unit represents a contingent right to receive one share of Carbon Black, Inc. common stock. The restricted stock units vest on the earlier of (i) the first anniversary of the vesting commencement date, May 9, 2019 or (ii) the next annual meeting of the Carbon Black Inc.'s shareholders, subject to a continuous service relationship through such date."}],"balance_after":6007,"source":{"system":"sec-edgar","filing":"0001104659-18-049959","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1452366/000110465918049959/a4.xml","form_type":"4"}},{"id":3938901,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":80885,"kind":"person","name":"Fagnan Jeff","position":1,"cik":"0001452366","reported_name":"Fagnan Jeff","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Series F Convertible Preferred Stock","published_at":"2018-05-10T21:09:56.000Z","date":"2018-05-08","kind":"exercise","acquired":false,"shares":42158,"ownership":{"direct":false,"nature":"By Accom B9F Investors, LLC"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F7","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"The shares are held directly by Accom B9F Investors, LLC (\"AB9F\"). Mr. Fagnan is a member of AB9F. Mr. Fagnan disclaims Section 16 beneficial ownership of all shares except to the extent of his pecuniary interest, if any, therein. This report shall not be deemed to be an admission that Mr. Fagnan is the beneficial owner of such securities for purposes of Section 16 or for any other purpose."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":21079},"source":{"system":"sec-edgar","filing":"0001104659-18-032295","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":20,"url":"https://www.sec.gov/Archives/edgar/data/1452366/000110465918032295/a4.xml","form_type":"4"}},{"id":3938900,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":80885,"kind":"person","name":"Fagnan Jeff","position":1,"cik":"0001452366","reported_name":"Fagnan Jeff","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Series E Convertible Preferred Stock","published_at":"2018-05-10T21:09:56.000Z","date":"2018-05-08","kind":"exercise","acquired":false,"shares":362548,"ownership":{"direct":false,"nature":"By Atlas Venture Fund IX, L.P."},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F7","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"The shares are held directly by Atlas Venture Fund IX, L.P. (\"AVF IX\"). Atlas Venture Associates IX, L.P. (\"AVA IX LP\") is the general partner of AVF IX. Atlas Venture Associates IX, LLC (\"AVA IX LLC\") is the general partner of AVA IX LP. Mr. Fagnan is a member of AVA IX LP. Mr. Fagnan disclaims Section 16 beneficial ownership of all shares except to the extent of his pecuniary interest, if any, therein. This report shall not be deemed to be an admission that Mr. Fagnan is the beneficial owner of such securities for purposes of Section 16 or for any other purpose."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":181273},"source":{"system":"sec-edgar","filing":"0001104659-18-032295","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":19,"url":"https://www.sec.gov/Archives/edgar/data/1452366/000110465918032295/a4.xml","form_type":"4"}},{"id":3938899,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":80885,"kind":"person","name":"Fagnan Jeff","position":1,"cik":"0001452366","reported_name":"Fagnan Jeff","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Series E Convertible Preferred Stock","published_at":"2018-05-10T21:09:56.000Z","date":"2018-05-08","kind":"exercise","acquired":false,"shares":56594,"ownership":{"direct":false,"nature":"By Atlas Venture Fund VI GmbH & Co. KG"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F7","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The shares are held directly by Atlas Venture Fund VI GmbH & Co. KG (\"AVFG VI\"). AVA VI LP is the managing partner of AVFG VI. Mr. Fagnan disclaims Section 16 beneficial ownership of all shares except to the extent of his pecuniary interest, if any, therein. This report shall not be deemed to be an admission that Mr. Fagnan is the beneficial owner of such securities for purposes of Section 16 or for any other purpose."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":28297},"source":{"system":"sec-edgar","filing":"0001104659-18-032295","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":18,"url":"https://www.sec.gov/Archives/edgar/data/1452366/000110465918032295/a4.xml","form_type":"4"}},{"id":3938898,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":80885,"kind":"person","name":"Fagnan Jeff","position":1,"cik":"0001452366","reported_name":"Fagnan Jeff","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Series E Convertible Preferred Stock","published_at":"2018-05-10T21:09:56.000Z","date":"2018-05-08","kind":"exercise","acquired":false,"shares":94518,"ownership":{"direct":false,"nature":"By Atlas Venture Entrepreneurs' Fund VI, L.P."},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F7","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The shares are held directly by Atlas Venture Entrepreneurs' Fund VI, L.P. (\"AVEF VI\"). AVA VI LP is the sole general partner of AVEF VI. Mr. Fagnan disclaims Section 16 beneficial ownership of all shares except to the extent of his pecuniary interest, if any, therein. This report shall not be deemed to be an admission that Mr. Fagnan is the beneficial owner of such securities for purposes of Section 16 or for any other purpose."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":47259},"source":{"system":"sec-edgar","filing":"0001104659-18-032295","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":17,"url":"https://www.sec.gov/Archives/edgar/data/1452366/000110465918032295/a4.xml","form_type":"4"}},{"id":3938897,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":80885,"kind":"person","name":"Fagnan Jeff","position":1,"cik":"0001452366","reported_name":"Fagnan Jeff","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Series E Convertible Preferred Stock","published_at":"2018-05-10T21:09:56.000Z","date":"2018-05-08","kind":"exercise","acquired":false,"shares":3090783,"ownership":{"direct":false,"nature":"By Atlas Venture Fund VI, L.P."},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F7","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The shares are held directly by Atlas Venture Fund VI, L.P. (\"AVF VI\"). Atlas Venture Associates VI, L.P. (\"AVA VI LP\") is the sole general partner of AVF VI. Atlas Venture Associates VI, Inc. (\"AVA VI Inc.\") is the sole general partner of AVA VI LP. Mr. Fagnan is a director of AVA VI Inc. and is an investor in a limited partner of AVF VI. Mr. Fagnan disclaims Section 16 beneficial ownership of all shares except to the extent of his pecuniary interest, if any, therein. 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The shares have no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The shares are held directly by Atlas Venture Fund VI GmbH & Co. KG (\"AVFG VI\"). AVA VI LP is the managing partner of AVFG VI. Mr. Fagnan disclaims Section 16 beneficial ownership of all shares except to the extent of his pecuniary interest, if any, therein. 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The shares have no expiration date."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The shares are held directly by Atlas Venture Fund VI, L.P. (\"AVF VI\"). Atlas Venture Associates VI, L.P. (\"AVA VI LP\") is the sole general partner of AVF VI. Atlas Venture Associates VI, Inc. (\"AVA VI Inc.\") is the sole general partner of AVA VI LP. Mr. Fagnan is a director of AVA VI Inc. and is an investor in a limited partner of AVF VI. Mr. Fagnan disclaims Section 16 beneficial ownership of all shares except to the extent of his pecuniary interest, if any, therein. This report shall not be deemed to be an admission that Mr. Fagnan is the beneficial owner of such securities for purposes of Section 16 or for any other purpose."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":631632},"source":{"system":"sec-edgar","filing":"0001104659-18-032295","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/1452366/000110465918032295/a4.xml","form_type":"4"}},{"id":3938893,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":80885,"kind":"person","name":"Fagnan Jeff","position":1,"cik":"0001452366","reported_name":"Fagnan Jeff","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Series C Convertible Preferred Stock","published_at":"2018-05-10T21:09:56.000Z","date":"2018-05-08","kind":"exercise","acquired":false,"shares":83217,"ownership":{"direct":false,"nature":"By Atlas Venture Fund VI GmbH & Co. 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(\"AVEF VI\"). AVA VI LP is the sole general partner of AVEF VI. Mr. Fagnan disclaims Section 16 beneficial ownership of all shares except to the extent of his pecuniary interest, if any, therein. This report shall not be deemed to be an admission that Mr. Fagnan is the beneficial owner of such securities for purposes of Section 16 or for any other purpose."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":69490},"source":{"system":"sec-edgar","filing":"0001104659-18-032295","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1452366/000110465918032295/a4.xml","form_type":"4"}},{"id":3938891,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":80885,"kind":"person","name":"Fagnan Jeff","position":1,"cik":"0001452366","reported_name":"Fagnan Jeff","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Series C Convertible Preferred Stock","published_at":"2018-05-10T21:09:56.000Z","date":"2018-05-08","kind":"exercise","acquired":false,"shares":4544751,"ownership":{"direct":false,"nature":"By Atlas Venture Fund VI, L.P."},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F7","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. 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Atlas Venture Associates VI, L.P. (\"AVA VI LP\") is the sole general partner of AVF VI. Atlas Venture Associates VI, Inc. (\"AVA VI Inc.\") is the sole general partner of AVA VI LP. Mr. Fagnan is a director of AVA VI Inc. and is an investor in a limited partner of AVF VI. Mr. Fagnan disclaims Section 16 beneficial ownership of all shares except to the extent of his pecuniary interest, if any, therein. This report shall not be deemed to be an admission that Mr. Fagnan is the beneficial owner of such securities for purposes of Section 16 or for any other purpose."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":2272375},"source":{"system":"sec-edgar","filing":"0001104659-18-032295","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1452366/000110465918032295/a4.xml","form_type":"4"}},{"id":3938890,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":80885,"kind":"person","name":"Fagnan Jeff","position":1,"cik":"0001452366","reported_name":"Fagnan Jeff","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Series B Convertible Preferred Stock","published_at":"2018-05-10T21:09:56.000Z","date":"2018-05-08","kind":"exercise","acquired":false,"shares":135475,"ownership":{"direct":false,"nature":"By Atlas Venture Fund VI GmbH & Co. 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This report shall not be deemed to be an admission that Mr. Fagnan is the beneficial owner of such securities for purposes of Section 16 or for any other purpose."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":67737},"source":{"system":"sec-edgar","filing":"0001104659-18-032295","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1452366/000110465918032295/a4.xml","form_type":"4"}},{"id":3938889,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":80885,"kind":"person","name":"Fagnan Jeff","position":1,"cik":"0001452366","reported_name":"Fagnan Jeff","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Series B Convertible Preferred Stock","published_at":"2018-05-10T21:09:56.000Z","date":"2018-05-08","kind":"exercise","acquired":false,"shares":226258,"ownership":{"direct":false,"nature":"By Atlas Venture Entrepreneurs' Fund VI, L.P."},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F7","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. 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This report shall not be deemed to be an admission that Mr. Fagnan is the beneficial owner of such securities for purposes of Section 16 or for any other purpose."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":113129},"source":{"system":"sec-edgar","filing":"0001104659-18-032295","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1452366/000110465918032295/a4.xml","form_type":"4"}},{"id":3938888,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":80885,"kind":"person","name":"Fagnan Jeff","position":1,"cik":"0001452366","reported_name":"Fagnan Jeff","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Series B Convertible Preferred Stock","published_at":"2018-05-10T21:09:56.000Z","date":"2018-05-08","kind":"exercise","acquired":false,"shares":7398761,"ownership":{"direct":false,"nature":"By Atlas Venture Fund VI, L.P."},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F7","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. 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Atlas Venture Associates VI, L.P. (\"AVA VI LP\") is the sole general partner of AVF VI. Atlas Venture Associates VI, Inc. (\"AVA VI Inc.\") is the sole general partner of AVA VI LP. Mr. Fagnan is a director of AVA VI Inc. and is an investor in a limited partner of AVF VI. Mr. Fagnan disclaims Section 16 beneficial ownership of all shares except to the extent of his pecuniary interest, if any, therein. This report shall not be deemed to be an admission that Mr. Fagnan is the beneficial owner of such securities for purposes of Section 16 or for any other purpose."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":3699380},"source":{"system":"sec-edgar","filing":"0001104659-18-032295","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1452366/000110465918032295/a4.xml","form_type":"4"}},{"id":3938887,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":80885,"kind":"person","name":"Fagnan Jeff","position":1,"cik":"0001452366","reported_name":"Fagnan Jeff","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-05-10T21:09:56.000Z","date":"2018-05-08","kind":"exercise","acquired":true,"shares":21079,"ownership":{"direct":false,"nature":"By Accom B9F Investors, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F7","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. 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This report shall not be deemed to be an admission that Mr. Fagnan is the beneficial owner of such securities for purposes of Section 16 or for any other purpose."}],"balance_after":21079,"source":{"system":"sec-edgar","filing":"0001104659-18-032295","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1452366/000110465918032295/a4.xml","form_type":"4"}},{"id":3938886,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":80885,"kind":"person","name":"Fagnan Jeff","position":1,"cik":"0001452366","reported_name":"Fagnan Jeff","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-05-10T21:09:56.000Z","date":"2018-05-08","kind":"exercise","acquired":true,"shares":181273,"ownership":{"direct":false,"nature":"By Atlas Venture Fund IX, L.P."},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F7","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"The shares are held directly by Atlas Venture Fund IX, L.P. (\"AVF IX\"). Atlas Venture Associates IX, L.P. (\"AVA IX LP\") is the general partner of AVF IX. Atlas Venture Associates IX, LLC (\"AVA IX LLC\") is the general partner of AVA IX LP. Mr. Fagnan is a member of AVA IX LP. Mr. Fagnan disclaims Section 16 beneficial ownership of all shares except to the extent of his pecuniary interest, if any, therein. This report shall not be deemed to be an admission that Mr. Fagnan is the beneficial owner of such securities for purposes of Section 16 or for any other purpose."}],"balance_after":181273,"source":{"system":"sec-edgar","filing":"0001104659-18-032295","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1452366/000110465918032295/a4.xml","form_type":"4"}},{"id":3938885,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":80885,"kind":"person","name":"Fagnan Jeff","position":1,"cik":"0001452366","reported_name":"Fagnan Jeff","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-05-10T21:09:56.000Z","date":"2018-05-08","kind":"exercise","acquired":true,"shares":149207,"ownership":{"direct":false,"nature":"By Atlas Venture Fund VI GmbH & Co. KG"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F7","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The shares are held directly by Atlas Venture Fund VI GmbH & Co. KG (\"AVFG VI\"). AVA VI LP is the managing partner of AVFG VI. Mr. Fagnan disclaims Section 16 beneficial ownership of all shares except to the extent of his pecuniary interest, if any, therein. This report shall not be deemed to be an admission that Mr. Fagnan is the beneficial owner of such securities for purposes of Section 16 or for any other purpose."}],"balance_after":171480,"source":{"system":"sec-edgar","filing":"0001104659-18-032295","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1452366/000110465918032295/a4.xml","form_type":"4"}},{"id":3938884,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":80885,"kind":"person","name":"Fagnan Jeff","position":1,"cik":"0001452366","reported_name":"Fagnan Jeff","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-05-10T21:09:56.000Z","date":"2018-05-08","kind":"exercise","acquired":true,"shares":249193,"ownership":{"direct":false,"nature":"By Atlas Venture Entrepreneurs' Fund VI, L.P."},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F7","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The shares are held directly by Atlas Venture Entrepreneurs' Fund VI, L.P. (\"AVEF VI\"). AVA VI LP is the sole general partner of AVEF VI. Mr. Fagnan disclaims Section 16 beneficial ownership of all shares except to the extent of his pecuniary interest, if any, therein. This report shall not be deemed to be an admission that Mr. Fagnan is the beneficial owner of such securities for purposes of Section 16 or for any other purpose."}],"balance_after":286392,"source":{"system":"sec-edgar","filing":"0001104659-18-032295","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1452366/000110465918032295/a4.xml","form_type":"4"}},{"id":3938883,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":80885,"kind":"person","name":"Fagnan Jeff","position":1,"cik":"0001452366","reported_name":"Fagnan Jeff","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-05-10T21:09:56.000Z","date":"2018-05-08","kind":"exercise","acquired":true,"shares":8148778,"ownership":{"direct":false,"nature":"By Atlas Venture Fund VI, L.P."},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F7","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The shares are held directly by Atlas Venture Fund VI, L.P. (\"AVF VI\"). Atlas Venture Associates VI, L.P. (\"AVA VI LP\") is the sole general partner of AVF VI. Atlas Venture Associates VI, Inc. (\"AVA VI Inc.\") is the sole general partner of AVA VI LP. Mr. Fagnan is a director of AVA VI Inc. and is an investor in a limited partner of AVF VI. Mr. Fagnan disclaims Section 16 beneficial ownership of all shares except to the extent of his pecuniary interest, if any, therein. This report shall not be deemed to be an admission that Mr. Fagnan is the beneficial owner of such securities for purposes of Section 16 or for any other purpose."}],"balance_after":9365231,"source":{"system":"sec-edgar","filing":"0001104659-18-032295","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1452366/000110465918032295/a4.xml","form_type":"4"}}]}